"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 发布订阅
Case Name   : 创建发布订阅后减容/扩容发布端节点
Create At   : 2022-11-09
Owner       : opentestcase004
Description :
    1.在两个集群创建表
    2.创建发布订阅
    3.减容发布端备节点
    4.发布端插入数据
    5.订阅端查询数据是否更新
    6.扩容发布端
    7.发布端更新数据
    8.订阅端查询数据是否更新
    9.发布端主备切换
    10.发布端删除数据
    11.订阅端查询数据是否更新
    12.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.数据更新
    6.成功
    7.成功
    8.数据更新
    9.成功
    10.成功
    11.数据更新
    12.成功
History     :
    modified by opentestcase004 2022/01/13:step6增加断言
    modified by opentestcase004 2022/01/16:step6添加为用户创建互信步骤
    modified by opentestcase004 2022/01/18:step6删除为用户创建互信步骤,只用root用户创
    建成功也可扩容成功
    modified by opentestcase004 2023/01/31:修改建互信中script路径
    modified by opentestcase012 2023/02/15:增加try...finally...避免减容后执行失败环境未恢复
"""

import os
import unittest
from yat.test import macro
from yat.test import Node
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger

Primary_SH = CommonSH('PrimaryDbUser')


@unittest.skipIf(3 != Primary_SH.get_node_num(), '非1+2环境不执行')
class Pubsubclass(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info("-----------this is setup-----------")
        self.log.info(f"-----{os.path.basename(__file__)} start-----")
        self.pri_userdb_pub = Node(node='PrimaryDbUser')
        self.pri_userdb_pub_sta = Node(node='Standby1DbUser')
        self.pri_userdb_pub_sta_1 = Node(node='Standby2DbUser')
        self.pri_userdb_sub = Node(node='remote1_PrimaryDbUser')
        self.constant = Constant()
        self.commsh_pub = CommonSH('PrimaryDbUser')
        self.commsh_pub_root = CommonSH('PrimaryRoot')
        self.commsh_pub_sta = CommonSH('Standby1DbUser')
        self.commsh_sub = CommonSH('remote1_PrimaryDbUser')
        self.com_pub = Common()
        self.com_sub = Common('remote1_PrimaryDbUser')
        self.tb_name1 = 't_pub_sub_0196_1'
        self.tb_name2 = 't_pub_sub_0196_2'
        self.subname = "s_pub_sub_0196"
        self.pubname = "p_pub_sub_0196"
        self.parent_path_pub = os.path.dirname(macro.DB_INSTANCE_PATH)
        self.parent_path_sub = os.path.dirname(macro.DB_INSTANCE_PATH_REMOTE1)
        self.port = str(int(self.pri_userdb_pub.db_port) + 1)
        self.wal_level = self.com_pub.show_param("wal_level")
        self.enable_slot_log = self.com_pub.show_param("enable_slot_log")
        self.user_param_pub = f'-U {self.pri_userdb_pub.db_user} ' \
            f'-W {self.pri_userdb_pub.db_password}'
        self.user_param_sub = f'-U {self.pri_userdb_sub.db_user} ' \
            f'-W {self.pri_userdb_sub.db_password}'
        cmd = f"cp " \
            f"{os.path.join(macro.DB_INSTANCE_PATH, 'pg_hba.conf')} " \
            f"{os.path.join(self.parent_path_pub, 'pg_hba.conf')};"
        self.log.info(cmd)
        result = self.pri_userdb_pub.sh(cmd).result()
        self.log.info(result)
        cmd = f"cp " \
            f"{os.path.join(macro.DB_INSTANCE_PATH_REMOTE1, 'pg_hba.conf')}" \
            f" {os.path.join(self.parent_path_sub, 'pg_hba.conf')};"
        self.log.info(cmd)
        result = self.pri_userdb_sub.sh(cmd).result()
        self.log.info(result)
        self.hostname = self.pri_userdb_sub.sh('hostname').result().strip()
        self.host_tuple = (self.pri_userdb_pub.ssh_host,
                           self.pri_userdb_pub_sta.ssh_host,
                           self.pri_userdb_pub_sta_1.ssh_host)
        self.params = {'-f': 'test_hosts'}
        text = "--step:预置条件,修改pg_hba expect:成功"
        self.log.info(text)
        guc_res = self.commsh_pub.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, '',
            'all', False, False, '',
            f'host    replication  {self.pri_userdb_sub.db_user} '
            f'{self.pri_userdb_sub.db_host}/32 sha256')
        self.log.info(guc_res)
        self.assertTrue(guc_res, '执行失败' + text)
        guc_res = self.commsh_pub.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, '',
            'all', False, False, '',
            f'host    all  {self.pri_userdb_sub.db_user} '
            f'{self.pri_userdb_sub.db_host}/32 sha256')
        self.log.info(guc_res)
        self.assertTrue(guc_res, '执行失败' + text)
        result = self.commsh_pub.execute_gsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG, 'wal_level=logical')
        self.assertTrue(result, '执行失败' + text)
        result = self.commsh_pub.restart_db_cluster(True)
        flg = self.constant.START_SUCCESS_MSG in result or 'Degrade' in result
        self.assertTrue(flg, '执行失败' + text)
        guc_res = self.commsh_sub.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, '',
            'all', False, False, macro.DB_INSTANCE_PATH_REMOTE1,
            f'host    replication  {self.pri_userdb_pub.db_user} '
            f'{self.pri_userdb_pub.db_host}/32 sha256',
            macro.DB_ENV_PATH_REMOTE1)
        self.log.info(guc_res)
        self.assertTrue(guc_res, '执行失败' + text)
        guc_res = self.commsh_sub.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, '',
            'all', False, False, macro.DB_INSTANCE_PATH_REMOTE1,
            f'host all  {self.pri_userdb_pub.db_user} '
            f'{self.pri_userdb_pub.db_host}/32 sha256',
            macro.DB_ENV_PATH_REMOTE1)
        self.log.info(guc_res)
        self.assertTrue(guc_res, '执行失败' + text)
        guc_res = self.commsh_sub.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, '',
            'all', False, False, macro.DB_INSTANCE_PATH_REMOTE1,
            f'host    replication  {self.pri_userdb_pub_sta.db_user} '
            f'{self.pri_userdb_pub_sta.db_host}/32 sha256',
            macro.DB_ENV_PATH_REMOTE1)
        self.log.info(guc_res)
        self.assertTrue(guc_res, '执行失败' + text)
        guc_res = self.commsh_sub.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, '',
            'all', False, False, macro.DB_INSTANCE_PATH_REMOTE1,
            f'host all  {self.pri_userdb_pub_sta.db_user} '
            f'{self.pri_userdb_pub_sta.db_host}/32 sha256',
            macro.DB_ENV_PATH_REMOTE1)
        self.log.info(guc_res)
        self.assertTrue(guc_res, '执行失败' + text)
        result = self.commsh_pub.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG, 'enable_slot_log=on')
        self.log.info(result)
        self.assertTrue(result, '执行失败' + text)

    def test_pub_sub(self):
        text = "--step1:在两个集群创建表 expect:成功--"
        self.log.info(text)
        sql_cmd = f"drop table if exists {self.tb_name1};" \
            f"drop table if exists {self.tb_name2};" \
            f"create table {self.tb_name1}(id1 int primary key,id2 int,id3 " \
            f"int) with (segment=on);" \
            f"create table {self.tb_name2}(id int primary key constraint " \
            f"id_nn not null,use_filename varchar2(20),filename " \
            f"varchar2(255),text varchar2(2000))" \
            f"partition by range(id)" \
            f"( " \
            f"      partition p1 values less than(30)," \
            f"      partition P2 values less than(60)," \
            f"      partition P3 values less than(90)," \
            f"      partition P4 values less than(MAXVALUE)" \
            f");"
        pub_result = self.commsh_pub.execut_db_sql(
            sql_cmd, sql_type=self.user_param_pub)
        self.log.info(pub_result)
        self.assertEqual(pub_result.count(self.constant.DROP_TABLE_SUCCESS),
                         2, '执行失败' + text)
        self.assertEqual(pub_result.count(self.constant.TABLE_CREATE_SUCCESS),
                         4, '执行失败' + text)
        sub_result = self.commsh_sub.execut_db_sql(
            sql_cmd, self.user_param_sub, None, macro.DB_ENV_PATH_REMOTE1)
        self.log.info(sub_result)
        self.assertEqual(sub_result.count(self.constant.DROP_TABLE_SUCCESS),
                         2, '执行失败' + text)
        self.assertEqual(sub_result.count(self.constant.TABLE_CREATE_SUCCESS),
                         4, '执行失败' + text)

        text = "--step2:创建发布订阅 expect:成功--"
        self.log.info(text)
        sql_cmd = f"drop publication if exists {self.pubname};" \
            f"create publication {self.pubname} for all tables;"
        pub_result = self.commsh_pub.execut_db_sql(
            sql_cmd, sql_type=self.user_param_pub)
        self.log.info(pub_result)
        self.assertIn(self.constant.drop_pub_succ_msg, pub_result,
                      '执行失败' + text)
        self.assertIn(self.constant.create_pub_succ_msg, pub_result,
                      '执行失败' + text)
        result = self.commsh_sub.execute_generate(
            macro.COMMON_PASSWD, env_path=macro.DB_ENV_PATH_REMOTE1)
        self.assertIn(self.constant.create_keycipher_success, result,
                      '执行失败' + text)
        sql_cmd = f"drop subscription if exists {self.subname};" \
            f"create subscription {self.subname} connection " \
            f"'host={self.pri_userdb_pub.db_host} " \
            f"port={self.port} user={self.pri_userdb_pub.db_user} " \
            f"dbname={self.pri_userdb_pub.db_name} " \
            f"password={self.pri_userdb_pub.ssh_password}' publication " \
            f"{self.pubname} with (binary=false);"
        sub_result = self.commsh_sub.execut_db_sql(
            sql_cmd, self.user_param_sub, None, macro.DB_ENV_PATH_REMOTE1)
        self.log.info(sub_result)
        self.assertIn(self.constant.drop_sub_succ_msg, sub_result,
                      '执行失败' + text)
        self.assertIn(self.constant.create_sub_succ_msg, sub_result, '执行失败'
                      + text)

        try:
            text = "--step3:减容发布端备节点 expect:成功--"
            self.log.info(text)
            pub_result = self.commsh_pub.exec_dropnode(
                self.pri_userdb_pub_sta_1)
            self.log.info(pub_result)
            self.assertTrue(pub_result, '执行失败' + text)

            text = "--step4:发布端插入数据 expect:成功--"
            self.log.info(text)
            sql_cmd = f"insert into {self.tb_name1} " \
                f"values(generate_series(1,100),1,1);" \
                f"insert into {self.tb_name2} values(generate_series(1,100)," \
                f"'first','%一',''); "
            pub_result = self.commsh_pub.execut_db_sql(
                sql_cmd, sql_type=self.user_param_pub)
            self.log.info(pub_result)
            self.assertEqual(pub_result.count(
                self.constant.INSERT_SUCCESS_MSG), 2, '执行失败' + text)

            text = "--step5:订阅端查询数据是否更新 expect:数据更新--"
            self.log.info(text)
            sql_select1 = f"select pg_sleep(5.5);" \
                f"select count(*) from {self.tb_name1};" \
                f"select count(*) from {self.tb_name2};"
            sub_result = self.commsh_sub.execut_db_sql(
                sql_select1, self.user_param_sub, None,
                macro.DB_ENV_PATH_REMOTE1)
            self.log.info(sub_result)
            self.assertEqual('100', str(sub_result.splitlines()[-7]).strip(),
                             '执行失败' + text)
            self.assertEqual('100', str(sub_result.splitlines()[-2]).strip(),
                             '执行失败' + text)
        finally:
            text = "--step6:扩容发布端 expect:成功--"
            self.log.info(text)
            self.log.info('----创建互信----')
            script_path = os.path.join(os.path.dirname(macro.DB_INSTANCE_PATH),
                                       'tool', 'script')
            pub_result1 = self.commsh_pub_root.exec_gs_sshexkey(
                script_path, *self.host_tuple, **self.params)
            self.assertTrue(pub_result1, '执行失败' + text)
            pub_result2 = self.commsh_pub_root.exec_expension(
                f"{self.pri_userdb_pub.ssh_user}",
                f"{self.pri_userdb_pub.ssh_user}",
                f"{self.pri_userdb_pub_sta_1.ssh_host}",
                f"{macro.DB_XML_PATH}")
            self.log.info(pub_result2)
            self.assertTrue(pub_result2, '执行失败' + text)

            text = "--step7:发布端更新数据 expect:成功--"
            self.log.info(text)
            sql_cmd = f"update {self.tb_name1} set id2=999;" \
                f"update {self.tb_name2} set filename='new'; "
            pub_result = self.commsh_pub.execut_db_sql(
                sql_cmd, sql_type=self.user_param_pub)
            self.log.info(pub_result)
            self.assertEqual(pub_result.count(
                self.constant.UPDATE_SUCCESS_MSG), 2, '执行失败' + text)

            text = "--step8:订阅端查询数据是否更新 expect:数据更新--"
            self.log.info(text)
            sql_select1 = f"select pg_sleep(8);" \
                f"select id2 from {self.tb_name1};select filename from " \
                f"{self.tb_name2};"
            sub_result = self.commsh_sub.execut_db_sql(
                sql_select1, self.user_param_sub, None,
                macro.DB_ENV_PATH_REMOTE1)
            self.log.info(sub_result)
            self.assertEqual(sub_result.count('999'), 100, '执行失败' + text)
            self.assertEqual(sub_result.count('new'), 100, '执行失败' + text)

            text = "--step9:发布端主备切换 expect:成功--"
            self.log.info(text)
            pub_result = self.commsh_pub_sta.execute_gsctl(
                'switchover', self.constant.SWITCH_SUCCESS_MSG)
            self.log.info(pub_result)
            self.assertTrue(pub_result, '执行失败' + text)
            pub_result = self.commsh_pub_sta.exec_refresh_conf()
            self.log.info(pub_result)
            self.assertTrue(pub_result, '执行失败' + text)

            text = "--step10:发布端删除数据 expect:成功--"
            self.log.info(text)
            sql_cmd = f"delete from {self.tb_name1};" \
                f"delete from {self.tb_name2}; "
            pub_result = self.commsh_pub_sta.execut_db_sql(
                sql_cmd, sql_type=self.user_param_pub)
            self.log.info(pub_result)
            self.assertEqual(pub_result.count(
                self.constant.DELETE_SUCCESS_MSG), 2, '执行失败' + text)

            text = "--step11:订阅端查询数据是否更新 expect:数据更新--"
            self.log.info(text)
            sql_select1 = f"select pg_sleep(5.5);" \
                f"select count(*) from {self.tb_name1};select count(*) from " \
                f"{self.tb_name2};"
            sub_result = self.commsh_sub.execut_db_sql(
                sql_select1, self.user_param_sub, None,
                macro.DB_ENV_PATH_REMOTE1)
            self.log.info(sub_result)
            self.assertEqual('0', str(sub_result.splitlines()[-2]).strip(),
                             '执行失败' + text)
            self.assertEqual('0', str(sub_result.splitlines()[-7]).strip(),
                             '执行失败' + text)

    def tearDown(self):
        text = "--step12:清理环境 expect:成功--"
        self.log.info(text)
        pub_result1 = self.commsh_pub.execute_gsctl(
            'switchover', self.constant.SWITCH_SUCCESS_MSG)
        self.log.info(pub_result1)
        pub_result2 = self.commsh_pub.exec_refresh_conf()
        self.log.info(pub_result2)
        sql_cmd = f"drop subscription if exists {self.subname};"
        drop_sub_result = self.commsh_sub.execut_db_sql(
            sql_cmd, self.user_param_sub, None, macro.DB_ENV_PATH_REMOTE1)
        self.log.info(drop_sub_result)
        sql_cmd = f"drop publication if exists {self.pubname};"
        drop_pub_result = self.commsh_pub.execut_db_sql(
            sql_cmd, sql_type=self.user_param_pub)
        self.log.info(drop_pub_result)
        sql_cmd = f"drop table if exists {self.tb_name1};" \
            f"drop table if exists {self.tb_name2};"
        result_sub = \
            self.commsh_sub.execut_db_sql(sql_cmd, self.user_param_sub, None,
                                          macro.DB_ENV_PATH_REMOTE1)
        self.log.info(result_sub)
        result_pub = self.commsh_pub.execut_db_sql(
            sql_cmd, sql_type=self.user_param_pub)
        self.log.info(result_pub)
        cmd = f"mv " \
            f"{os.path.join(self.parent_path_pub, 'pg_hba.conf')} " \
            f"{os.path.join(macro.DB_INSTANCE_PATH, 'pg_hba.conf')} "
        self.log.info(cmd)
        sh_result = self.pri_userdb_pub.sh(cmd).result()
        self.log.info(sh_result)
        cmd = f"mv " \
            f"{os.path.join(self.parent_path_sub, 'pg_hba.conf')} " \
            f"{os.path.join(macro.DB_INSTANCE_PATH_REMOTE1, 'pg_hba.conf')} "
        self.log.info(cmd)
        sh_result1 = self.pri_userdb_sub.sh(cmd).result()
        self.log.info(sh_result1)
        result1 = self.commsh_pub.execute_gsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG,
            f'wal_level={self.wal_level}')
        self.log.info(result1)
        result2 = self.commsh_pub.execute_gsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG,
            f'enable_slot_log={self.enable_slot_log}')
        self.log.info(result2)
        pub_result3 = self.commsh_pub.restart_db_cluster(True)
        sub_result = self.commsh_sub.restart_db_cluster(
            True, macro.DB_ENV_PATH_REMOTE1)
        self.assertTrue(pub_result1, '执行失败' + text)
        self.assertTrue(pub_result2, '执行失败' + text)
        self.assertTrue(pub_result3, '执行失败' + text)
        self.assertTrue(sub_result, '执行失败' + text)
        self.assertTrue(result1, '执行失败' + text)
        self.assertTrue(result2, '执行失败' + text)
        self.assertEqual("", sh_result, '执行失败' + text)
        self.assertEqual("", sh_result1, '执行失败' + text)
        self.assertIn(self.constant.drop_pub_succ_msg, drop_pub_result,
                      '执行失败' + text)
        self.assertIn(self.constant.drop_sub_succ_msg, drop_sub_result,
                      '执行失败' + text)
        self.assertEqual(result_sub.count(self.constant.DROP_TABLE_SUCCESS), 2,
                         '执行失败' + text)
        self.assertEqual(result_pub.count(self.constant.DROP_TABLE_SUCCESS), 2,
                         '执行失败' + text)
        self.log.info(f"-----{os.path.basename(__file__)} end-----")
